today, when michelle obama goes out to university of northern iowa, she will be giving a speech, not just a speech, she will be asking supporters there to cast their votes nearly on the spot. there's a polling place a few steps away. >> all right, peter alexander, thank you. for more on this week's events on the campaign trail and look to next week's debate, special correspondent tom brokaw is here, david gregory, moderator from "meet the press," chuck todd, so many titles, we are out of time. let's talk about the president's closing argument. a two minute ad so early in the campaign. a chance to intimidate or early voting begins. >> their strategy is early voting. we did some of our own polling the last couple weeks. among people that say they're voting before election day, president wins 2-1. that's their organizing principle. that's why they do this. it is about early voting. half the battleground states, 50% or more voters vote early, florida, colorado, nevada, north carolina. >> david, is there a risk in those that the obama campaign gets ahead of itself? some of the polls showe